CN210682976U - Crane walking frame safer to use - Google Patents

Abstract

The utility model relates to a crane walking frame with safer use, which comprises an installation frame, a walking wheel and a walking motor, wherein the walking wheel and the walking motor are fixedly assembled on the installation frame; the I-beam is only supported by a support carrier fixedly connected with the end parts of the two ends, the installation frame is U-shaped, the two side plates of the installation frame respectively extend upwards from the two sides of the I-beam, a pull rod is arranged between the two side plates of the installation frame, the pull rod and the installation frame form a closed loop structure, and the I-beam is sleeved in the closed loop structure. Through the configuration of pull rod, can make two curb plates of installing frame gather together to the centre, and then adjust the interval of the walking wheel on two curb plates, closed loop structure's installing frame is difficult to drop from vertical girder, can effectively improve the security of walking frame operation.

Description

Crane walking frame safer to use

Technical Field

The utility model relates to a bridge crane field especially indicates a use safer hoist walking frame.

Background

The bridge crane is a hoisting device which is transversely arranged above workshops, warehouses and stockyards to hoist materials. The bridge crane features that the load hung on the hook or other load taking device can be lifted vertically or moved horizontally. The bridge crane includes hoisting mechanism, large and small carriage running mechanism. The weight can be lifted and carried in a certain cubic space by means of the matching action of the mechanisms.

The sliding movement of the existing crane is realized through a walking frame, walking wheels are fixedly assembled on the walking frame, the walking wheels are of a side walking wheel structure with raised steps on the peripheral edge, the main wheel surface of each walking wheel walks on two edges of the top surface of the bottom plate of the I-beam, the raised steps of the walking wheels are close to the side wall of the bottom plate, and the walking wheels have certain function of preventing the walking wheels from being separated from a walking track through the limiting function of the fixed distance of the raised steps on the two sides; however, the side wall of the I-beam bottom plate is impacted by the raised steps in the operation process, so that the side wall and the side wall are worn, after the I-beam bottom plate is used for a certain time, the two side edges of the bottom plate or the raised steps of the travelling wheels are worn, so that the travelling frame is easy to fall off, and potential safety hazards exist; the inspection and replacement work of the travelling wheels and the I-shaped beams needs to be carried out regularly, and the use cost is high.

Disclosure of Invention

The utility model provides a use safer hoist walking frame to the walking frame that solves the existence of present majority bridge crane has the problem of the potential safety hazard that drops.

The utility model adopts the following technical scheme:

the utility model provides a use safer hoist walking frame, includes installation frame and fixed assembly walking wheel and the walking motor on the installation frame, this walking frame is done directional removal through this walking wheel by walking motor drive along the length extending direction of I-beam bottom plate, and the I-beam is by bottom plate, connection wallboard and roof fixed connection as an organic whole in proper order and constitute. The I-beam is only supported by a support carrier fixedly connected with the end parts of the two ends, the installation frame is U-shaped, the two side plates of the installation frame respectively extend upwards from the two sides of the I-beam, a pull rod is arranged between the two side plates of the installation frame, the pull rod and the installation frame form a closed loop structure, and the I-beam is sleeved in the closed loop structure. The pull rod can adjust the distance between the top ends of the two side plates.

In a further improvement, the mounting frame is further provided with a limiting wheel, the limiting wheel slides along the length extending direction of the connecting wall plate in a rolling contact mode, and the limiting wheel is used for limiting the mounting frame to deviate along the width direction of the bottom plate. Further, the installation frame is configured with at least two of opposition distribution spacing round, connect the wallboard clamp and locate between two opposition spacing rounds.

From the above description of the structure of the present invention, compared with the prior art, the present invention has the following advantages: the utility model discloses a two curb plates that the walking of hoist was put up through the configuration of pull rod can make the installing frame gather together to the centre, and then adjust the interval of the walking wheel on two curb plates to make the installing frame form a closed loop structure, surround the I-beam at its place wherein, thereby make the installing frame be difficult to drop from vertical girder, can effectively improve the security of walking about the operation.

Drawings

Fig. 1 is a schematic view of the front view structure of the crane of the present invention.

Fig. 2 is a schematic view of the overhead structure of the crane of the present invention.

Detailed Description

The following describes embodiments of the present invention with reference to the drawings.

Referring to fig. 1 and 2, a crane walking frame with safer use is disclosed, wherein a common i-beam of a crane comprises a longitudinal main beam 1 and a cross beam 2, the longitudinal main beam 1 and the cross beam 2 are respectively formed by fixedly connecting a bottom plate 11, a connecting wall plate 12 and a top plate 13 into a whole in sequence, and the cross sections of the longitudinal main beam 1 and the cross beam 2 are both i-shaped (i-beam); the longitudinal main beam 1 is fixedly assembled on a support carrier (as shown in fig. 2, the support carrier is preferably a cement support column 14 standing on the ground), the transverse beam 2 is provided with a longitudinal walking frame 3, and the transverse beam 2 is assembled below the longitudinal main beam 1 in a sliding mode through the longitudinal walking frame 3. Referring to fig. 1 and 2, the longitudinal main beam 1 is supported off the ground only by the supporting columns 14 fixedly connected to both end portions thereof, and a pull rod 312 is installed between the two side plates 311 of the mounting frame 31 of the longitudinal traveling frame 3, and the pull rod 312 is used to adjust the distance between the top ends of the two side plates 311. The arrangement of the pull rod 312 can enable the two side plates 311 of the mounting frame 31 to gather towards the middle, so as to adjust the distance between the traveling wheels 32 on the two side plates 311, and enable the mounting frame 31 to form a closed loop structure, and surround the i-beam where the mounting frame 31 is located, so that the mounting frame 31 is not easy to fall off from the longitudinal main beam 1, and the safety of the operation of the longitudinal traveling frame 3 can be effectively improved.

With continued reference to fig. 1 and 2, each of the longitudinal traveling frame 3 and the transverse traveling frame 5 includes a mounting frame 31, and traveling wheels 32, limiting wheels 33 and a traveling motor fixedly mounted on the mounting frame 31, the traveling frame (including the longitudinal traveling frame 3 and the transverse traveling frame 5) is directionally moved along the length extension direction of the base plate 11 by the traveling wheels 32 driven by the traveling motor, the limiting wheels 33 slide along the length extension direction of the connecting wall plate 12 in rolling contact, and the limiting wheels 33 are used for limiting the mounting frame 31 from shifting along the width direction of the base plate 11. Preferably, each of the mounting frames 31 is provided with four limiting wheels 33 which are oppositely distributed, and the connecting wall plate 12 is sandwiched between the two opposite limiting wheels 33. Through the configuration of spacing wheel 33 on the walking frame, make it have limiting displacement to the width direction of walking frame on the roof beam of place, effectively reduce walking wheel 32 and take place the aversion condition of width direction in the walking, and then effectively reduce the wearing and tearing probability of walking wheel 32 and bottom plate 11 lateral wall, both effectively reduce walking frame and break away from the probability for the operation of walking frame is safer, has also effectively reduced the noise of walking frame operation, noise pollution abatement.

With continued reference to fig. 1 and 2, the beam 2 is provided with an extension beam 4, the extension beam 4 is slidably mounted below the beam 2 through a transverse traveling frame 5, and the extension beam 4 is provided with a crane trolley 6 for hoisting a heavy object. As shown in fig. 2, the extension beam 4 can span the support column 14 of the construction site to expand the traveling range of the crane trolley 6 in the extension direction of the cross beam 2 by the traveling telescopic operation of the extension beam, so that the lifting area is effectively increased, the adaptability of the crane to the construction site is enhanced, and the crane has wider adaptability.

With reference to fig. 1 and 2, the trolley 6 includes a crane traveling frame 61 and a hoist 62 mounted on the crane traveling frame 61, and the crane traveling frame 61 is mounted on the extension beam 4 in a manner of being driven by a motor; a hoisting rope 63 is wound around a reel of the hoisting machine 62, an inner end of the hoisting rope 63 is fixed to the reel of the hoisting machine 62, an outer end 631 of the hoisting rope 63 is fixedly assembled to the hoisting traveling frame 61 independently of the hoisting machine 62, a hook 64 of the hoisting machine 62 is slidably hung between the inner end and the outer end of the hoisting rope 63 through a pulley, and a space which does not interfere with the up-and-down movement of the hook 64 is provided between the hoisting machine 62 and the outer end of the hoisting rope 63. The height of the outer end of the hoisting line 63 is not lower than the height of the hoisting line 63 at the output 632 of the hoist 62. This hoisting rope 63 structure of trolley 6 sets up and makes the height that couple 64 can go upward bigger to make the height dimension of jack-up walking frame 61 can reach littleer, make it can get into the operation of getting of realizing getting of low air inlet heavy object in the less height dimension space, adapt to more site conditions and use, the suitability is wider.

With reference to fig. 1 and 2, the traveling wheels 32 are borderless traveling wheels 32, the traveling wheels 32 are disposed on two sides of the connecting wall plate 12 and parallel to the connecting wall plate 12, the traveling wheels 32 slide on the upper surface of the bottom plate 11 or the top plate 13, and a side wall of the traveling wheels 32 away from the connecting wall plate 12 is disposed on the inner side of the sliding surface of the traveling wheels 32. This no limit walking wheel 32's no limit structure sets up for the walking position of walking wheel 32 can avoid the edge and more be close to the connection wallboard 12 at middle part, can enough effectively avoid walking wheel 32 to the wearing and tearing at bottom plate 11 or roof 13 edge, and the noise reduction prolongs the life of walking wheel 32 and place roof beam, also can effectively reduce the probability that the walking wheel 32 drops on by the walking track, improves the factor of safety of operation.

With continued reference to fig. 1 and 2, the extension beam 4 includes an extension end 41 and a bearing end 42, and the extension beam 4 extends towards the extension end 41 in a sliding manner; the transverse traveling frame 5 is fixedly assembled between the center of the extension beam 4 and the bearing end 42, the bearing end 42 is fixedly assembled with an anti-tilting pulley 43, the anti-tilting pulley 43 slides along the bottom surface of the cross beam 2 in a rolling manner, and at least one transverse traveling frame 5 is arranged between the anti-tilting pulley 43 and the extension end 41. Preferably, the extension beam 4 has two lateral traveling frames 5, and the warp prevention pulley 43 is provided between the two lateral traveling frames 5, or the warp prevention pulley 43 is provided between the two lateral traveling frames 5 and the load bearing end 42. The situation that the bearing end 42 of the extension beam 4 is tilted upwards can be well prevented through the arrangement of the tilting prevention pulley 43, the extension beam 4 can be kept in a parallel state with the cross beam 2 better, the transverse walking frame 5 and the trolley 6 can slide along the horizontal direction, and the hoisting operation of the trolley 6 at each position on the extension beam 4 is more stable. In addition, as shown in fig. 1, the longitudinal main beam 1, the cross beam 2 and the extension beam 4 are respectively and fixedly provided with a limit block 16 at two ends of the walking track of the corresponding walking frame, and the limit blocks 16 are used for blocking and limiting the walking wheels 32 of each walking frame to prevent the walking wheels 32 from being separated from the walking track.

The above-mentioned be the utility model discloses a concrete implementation way, nevertheless the utility model discloses a design concept is not limited to this, and the ordinary use of this design is right the utility model discloses carry out immaterial change, all should belong to the act of infringement the protection scope of the utility model.

Claims (3)

1. A crane walking frame safer to use comprises an installation frame, and a walking wheel and a walking motor which are fixedly assembled on the installation frame, wherein the walking frame directionally moves along the length extension direction of an I-beam bottom plate through the walking wheel driven by the walking motor, and the I-beam is formed by fixedly connecting the bottom plate, a connecting wall plate and a top plate into a whole in sequence; the method is characterized in that: the I-beam is only supported by a support carrier fixedly connected with the end parts of the two ends, the installation frame is U-shaped, the two side plates of the installation frame respectively extend upwards from the two sides of the I-beam, a pull rod is arranged between the two side plates of the installation frame, the pull rod and the installation frame form a closed loop structure, and the I-beam is sleeved in the closed loop structure.

2. A crane walking frame safer in use according to claim 1, wherein: the mounting frame is further provided with a limiting wheel, the limiting wheel slides along the length extending direction of the connecting wall plate in a rolling contact mode, and the limiting wheel is used for limiting the mounting frame to deviate along the width direction of the bottom plate.

3. A crane walking frame safer in use according to claim 2, wherein: the installation frame is configured with at least two of opposition distribution spacing round, the connection wallboard clamp is located between two opposition spacing rounds.

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